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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/Tuple/prototype/slice/tuple-length-internal.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/non262/Tuple/prototype/slice/tuple-length-internal.js b/js/src/tests/non262/Tuple/prototype/slice/tuple-length-internal.js new file mode 100644 index 0000000000..f0fff9693e --- /dev/null +++ b/js/src/tests/non262/Tuple/prototype/slice/tuple-length-internal.js @@ -0,0 +1,23 @@ +// |reftest| skip-if(!this.hasOwnProperty("Tuple")) + +/* Ensure that slice uses internal length and not length property */ + + +var getCalls = 0; +var desc = { + get: function getLen() { + getCalls++; + return 0; + } +}; + +Object.defineProperty(Tuple.prototype, "length", desc); + +var sample = Object(#[42, 43]); + +var result = sample.slice(); + +assertEq(getCalls, 0, "ignores length properties"); +assertEq(result, #[42, 43]); + +reportCompare(0, 0); |